Low-Voltage Control Connections; Control And Power Wiring Diagrams - Carrier RHW036-060 Installation Instructions Manual

LOW-VOLTAGE CONTROL CONNECTIONS

Pull the low-voltage control leads from the heater module —
VIO and BRN (two of each if a two-circuit heater module is
installed; identify for circuit #1) — to the 4-pole terminal
board TB4 located on the heater bulkhead to the left of the
Heater module. Connect the VIO lead from Heater circuit #1
to terminal TB4-1. For 2 stage heating, connect the VIO
lead from Heater circuit #2 to terminal TB4-2. See Fig. 36.
UCB
2 PNK
3 ORN
TRAN 1
C
ORN
1
TB4
VIO
Field
Connections
Fig. 36 — Accessory Electric Heater Control
Connections
527 01 2701 00
PNK BRN
2 3
VIO BRN BRN
Elec Htr
VIO HR2 BRN
VIO HR1 BRN
HR1: Heater Circuit 1
HR2: Heater Circuit 2
(if two-circuit module installed)
Specifications subject to change without notice.

CONTROL AND POWER WIRING DIAGRAMS

Figures 37-40 are typical control and power wiring
diagrams.
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